Backup 7
Backup 7 :
Refers to the act of backing up or preventing rotation of one section of pipe while another is screwed out of or into it. Also applied to screwing nuts on or off bolts. A backup wrench refers to any wrench being used to hold the pipe or bolt. Backup tong is applied to the pipe tongs suspended in the derrick and used to hold a section of pipe while another section is screwed out of our into it by use of other tongs. The backup man is the crew member who operates the backup tongs. The backup position refers to the work station of the backup man. (RP54)
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